Makita 158300-3 — Barrel Cover Complete (genuine Makita). Direct replacement barrel/cylinder cover for Makita 45 mm (SDS‑Max) rotary hammers, sold as the complete cover assembly so you get the exact-fit housing piece to restore the tool’s original protection and alignment. Fits HR4510C and HR4511C as shown in the Makita parts breakdowns.
This part is the molded barrel cover that attaches over the barrel assembly and secures with the tool’s existing M6 fasteners , so installation is straightforward using the original bolts. It’s finished to match the original Makita profile for correct clearance around the tool’s barrel and tool holder.
Part number: 158300-3 — Barrel Cover Complete (genuine Makita).
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